Humidifier



FIG. 1 is a front elevational view of a humidifier showing my newdesign;

FIG. 2 is an enlarged rear elevational view thereof;

FIG. 3 is an elarged top plan view thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is a greatly enlarged right side elevational view thereof; and,

FIG. 6 is a greatly enlarged left side elevational view thereof.

The ornamental design for a humidifier, as shown.